Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Courtney Derus

Individual provider Psychologist · NPI 1255765335

Courtney Derus is a Clinical Psychologist in Wausau, Wisconsin. Qualified in 2017, 9 years ago. Practices with Elmergreen Associates, LLC, a 6-clinician group. Licensed in Wisconsin.

Years since qualifying
9
Licensed in
WI
In the registry since
2013

Practice location Address checks out

114 Grand Ave
Wausau, WI 54403-6214
Phone: (715) 845-7175
Fax: (715) 845-7142
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 3605-57 (WI)

Record details

NPI number1255765335
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 26, 2013
Last updated in NPPESOctober 2, 2018
Mailing address114 Grand Ave, Wausau, WI 54403-6214

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Elmergreen Associates, Llc — 6 clinicians
Accepts Medicare assignment Not indicated

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